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whatsupgirl16 whatsupgirl16
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Posts: 425
5 years ago
Student progress The Comprehensive Test of Basic Skills (CTBS) is used by school district to assess student progress. Two of the areas tested are math and reading. A random sample of student results was reviewed to determine if there is an association between math and reading scores on the CTBS. Here are the scatterplot, the residuals plot, a histogram of the residuals, and the regression analysis of the data. Use this information to analyze the association between the math and reading scores on the CTBS.




a. Is there an association? Write appropriate hypotheses.
b. Are the assumptions for regression satisfied? Explain.
c. What do you conclude?
d. Create a 95% confidence interval for the true slope.
e. Explain in context what your interval means.
Textbook 
Stats: Modeling the World

Stats: Modeling the World


Edition: 4th
Authors:
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jenniferagrethejenniferagrethe
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5 years ago
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whatsupgirl16 Author
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5 years ago
Thanks
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Yesterday
Helped a lot
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2 hours ago
Thank you, thank you, thank you!
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